Correlation Analysis
Amazon.Com Inc vs American Electric Power Company, Inc.
AMZN vs AEP
+0.538
Moderate positive
When one moves up, the other tends to follow.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
American Electric Power Company, Inc.
↗AEP
American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.
Market cap 71.9B · 17,581 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads AEP by 6 days
AMZN tends to move before AEP.
Best correlation after shifting: +0.554 (13 shifts scanned)
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
-0.109
11 periods · Return correlation when both series rose
Both Falling
+0.308
6 periods · Return correlation when both series fell
Diverging
-0.624
18 periods · Return correlation when series moved apart
R-Squared
28.9%
Share of variance in one series explained by the other.
Trend Agreement
51.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.497, 0.576]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
American Electric Power Company, Inc.
AEP
Market cap 71.9B · 17,581 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
28
Estimated crossover points between normalized spreads.
Slope
0.1615
Linear regression slope.
Intercept
68.1306
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AMZN
Amazon.Com Inc
Highest
+0.941
Grayscale Bitcoin Trust ETF
GBTC · 1,066 observations
Lowest
-0.877
Humana Inc.
HUM · 1,254 observations
AEP
American Electric Power Company, Inc.
Highest
+0.797
Walmart Inc. Common Stock
WMT · 1,254 observations
Lowest
+0.510
Exxon Mobil Corporation
XOM · 1,254 observations
Saved 3 hours ago · ID: stock-amzn-vs-stock-aep-daily-20260408-3c97j3